41.   But Friday, the company said it would return its headquarters to Eldersburg, the home of its last U.S. manufacturing plant.

42.   But the FAA recently ordered airlines to check the new valves for cracks after cracks were discoverd in several valves at the manufacturing plant.

43.   But the real challenge came in staffing a manufacturing plant never before designed.

44.   But with demand down, IBM still has high fixed costs because it owns and runs manufacturing plants around the world.

45.   Cash-flow problems and other financial difficulties forced the company to shut down several manufacturing plants.

46.   Cisco is also contemplating building a manufacturing plant on one of the three sites.

47.   Chrysler said the investment is its largest ever in a powertrain manufacturing plant.

48.   Commonwealth, based in Bowling Green, Kentucky, will also buy the former American Tobacco cigarette manufacturing plant in Reidsville, North Carolina, B.A.T said.

49.   Clinton later flew to Phoenix to tour a Mexican food manufacturing plant and spoke to business executives about start-up companies, especially in Hispanic neighborhoods.

50.   Construction of manufacturing plants and warehouses led the boom.